#include <iostream>
using namespace std;
int main(int argc, char ** argu )
{
string a = "one";
string b = "two";
string c = "three";
string d = "four";

string q ;


cout << "введите число ";
cin >> q ;

if (q == a)
cout << "1";
else if (q == b)
cout << "2";
else if (q == c)
cout << "3";
else if (q == d) 
cout << "4";


else
cout << "dont know this number";
       
      

cin >> ws;
	return 0;
}

